which is the oldest system of communication that exist even today
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Letter is the oldest system of communication that exist even today
1january6102palrrb:
letter only
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The oldest communication system that exist today is the letters .
the people still refer this type of communication even today .
by post,courier,etc.
Hope this will help u .
Thank u
the people still refer this type of communication even today .
by post,courier,etc.
Hope this will help u .
Thank u
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